Access power-kids.co.jp. 群馬県伊勢崎の自転車ならPOWER-KIDS | 豊かなサイクルライフをサポート

power-kids.co.jp screenshot

31

Performance

Renders faster than
51% of other websites
91

Accessibility

Visual factors better than
that of 76% of websites
75

Best Practices

More advanced features
available than in
35% of websites
86

SEO

Google-friendlier than
60% of websites

First Response

6.7 sec

Resources Loaded

18.4 sec

Page Rendered

862 ms

power-kids.co.jp screenshot

About Website

Welcome to power-kids.co.jp homepage info - get ready to check Power KIDS best content for Japan right away, or after learning these important things about power-kids.co.jp

安全で快適な走行を支援し、独自の120％チューニングで精密な組み立てを行います。メンテナンスやオーバーホールを通じて愛車を長持ちさせ、地域密着のサービスでお客様のニーズに応じた自転車提案をいたします。

Visit power-kids.co.jp

Key Findings

We analyzed Power-kids.co.jp page load time and found that the first response time was 6.7 sec and then it took 19.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value650 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

power-kids.co.jp

6688 ms

reset.css

347 ms

base2.css

554 ms

font-awesome.css

562 ms

font-awesome.min.css

565 ms

Our browser made a total of 202 requests to load all elements on the main page. We found that 90% of them (181 requests) were addressed to the original Power-kids.co.jp, 4% (9 requests) were made to Fonts.gstatic.com and 2% (5 requests) were made to Img.youtube.com. The less responsive or slowest element that took the longest time to load (6.7 sec) belongs to the original domain Power-kids.co.jp.

Content Size

5.0 MB

After Optimization

4.6 MB

In fact, the total size of Power-kids.co.jp main page is 5.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 81.6 kB

Original 98.2 kB
After minification 81.9 kB
After compression 16.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 16.3 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 81.6 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 41.1 kB

Original 4.4 MB
After minification 4.4 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Power KIDS images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 210.6 kB

Original 362.2 kB
After minification 347.2 kB
After compression 151.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 210.6 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 106.4 kB

Original 128.6 kB
After minification 103.9 kB
After compression 22.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Power-kids.co.jp needs all CSS files to be minified and compressed as it can save up to 106.4 kB or 83% of the original size.

Requests Now

190

After Optimization

148

The browser has sent 190 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Power KIDS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a valid value for its [lang] attribute.

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Power-kids.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Power-kids.co.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

power-kids.co.jp

Open Graph description is not detected on the main page of Power KIDS. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: